# Serenity Allen

Chemistry teacher | Verified Expert

I graduated from Northeastern Illinois University with a degree in Chemistry. With a strong foundation in chemical principles, I'm dedicated to simplifying complex concepts for students. My teaching approach emphasizes practical applications and hands-on experimentation, fostering a deeper understanding of chemistry. Let's unravel the mysteries of the periodic table together.

## Questions

How do you convert -22° Fahrenheit to Celsius?

It takes 80 cal/g to change solid water at 0°C to liquid water. How many calories will it take to change 3 g of water at 0 °C to liquid water?

What is an example of a covalent formula practice problem?

Why does electron capture produce a neutrino?

A quantity of a gas at a temperature of #223# #K# has a volume of #100.0# #dm^3# To what temperature must the gas be raised, while the pressure is kept constant, to give a volume of #185# #dm^3#?

What is the anhydride of perchloric acid?

How many grams of potassium carbonate are needed to make 200 mL of a 2.5 M solution?

Why isn't the volume decreasing?

What is the difference between a #"chemical formula"#, and a #"chemical compound"#?

What are the data analysis tools used for?

A hydrated compound has an analysis of 18.29% Ca, 32.37% Cl, and 49.34% water. What is its formula?

Why is the metric system of measurement convenient to use?

How do you write a Lewis structure for #CH_3NH_3^+#?

What information can Lewis structures convey?

An element whose electronic configuration is #1s^(2)2s^(2)2p^6# is chemically bound to TWO atoms of an element whose atomic mass is #32.06*g*mol^-1#. What is the compound described?

How are atoms and molecules different?

What is the pOH of a #4.8xx10^(-10) M# #H^+# solution?

How do you determine highest boiling point?

A student has a stock solution of 30.0% w/v hydrogen peroxide, #H_2O_2#, solution. How should the student prepare 250 mL of a 0.25% w/v #H_2O_2# solution?

What rules are used to name ionic compounds?